<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404 NOTFOUND</title>
    <style>
        #tit{
            color:red;
            text-align: center;
        }
    </style>
</head>
<body>
    <h3 id = "tit">这是一个测试标题</h3>
    <a href="http://baidu.com">跳转到百度</a>
    <h3>后台登陆</h3>
    <form action="">
        账号:<input type="text"><br>
        密码:<input type="password"><br>
        <input type="submit">
    </form>
    <h3>忘记密码</h3>
    <script>
        console.log("hello linux")
    </script>
</body>
</html>